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WYJ IDLE ADJUSTMENT PROCEDURE (WYJ WITH IDLE SCREW) 1. Start engine and place throttle in the idle position. 2. The black idle needle is preset to a I turn open setting. Adjust this needle to a good optimum idle setting. 3. Repeat step 6. and shut off engine. NOTE. Do not attempt to adjust the inner idle needle.
All manual are in pdf format - Chainsaw Carburetors & Trimmer and Blower Carburetors.
Walbro WYJ Carburetor Manual. Barrett Small Engine. 296 subscribers. 128 views 1 month ago. ...more. For repair and rebuild of Walbro WYJ carburetors use K20-WYJ complete rebuild kit or...
The inner 'die needle should only be adjusted by an authorized WALBRO service person. LEAN IDLE CONDITION A lean idle condition means that the carburetor is getting more air than gas.
Walbro WYJ Carburetor Manual and Parts List to assist in the correct identification, repair and service of all Walbro WYJ series carburetors. View free online images or download the full pdf with diagrams and clear information.
13 maj 2012 · Connect primer bulb to direct to supply and filter and pumps fuel perfectly, so I assue filter and primer are ok. Connect in carb with primer bulb on the return side of the fuel system, inlet direct from fuel tank filter, and won't pump fuel.
Please read the following instructions for correct adjustment of the WYJ at the idle position. WYJ IDLE ADJUSTMENT PROCEDURE (WYJ WITH PLASTIC PLUG) 2.